this derivation will be built:
  /nix/store/7ksx93nd4ykrh61zmvww50hzbq1mmy9s-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7ksx93nd4ykrh61zmvww50hzbq1mmy9s-bcachefs-module-7.0.0-31-generic.drv'...